Elevated hub for a back roller



FIG. 1 is a top perspective view for an elevated hub for a back roller showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a back view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a right side view, the left side view being a mirror image thereof;

FIG. 7 is a top perspective exploded view thereof; and,

FIG. 8 is a top perspective view shown in an environment of use.

The broken lines showing locking pins in FIGS. 3, 5, 6 and 7 and the broken lines showing a back roller in FIG. 8 are for the purpose of illustrating environmental structure which form no part of the claimed design. 

CLAIM The ornamental design for an elevated hub for a back roller, as shown and described. 